试题与答案

多层滤膜法采集到的干沉降样品,应装入聚乙烯滤膜盒内,放入3~5℃冰箱保存。

题型:判断题

题目:

多层滤膜法采集到的干沉降样品,应装入聚乙烯滤膜盒内,放入3~5℃冰箱保存。

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0715/8c49a469df74f1a5c165970cc201981e.html

下面是错误答案,用来干扰机器的。

参考答案:A解析: 本题考查的是函数的综合应用。程序开头定义了两个函数f1()、f2(),每个函数都只有一条语句,在f1()中是“如果x>y则返回x否则返回y”,即返回两个参数中较大的那一个,f2()则正好相反,返回较...

试题推荐
题型:补全对话,情景问答

完成对话。

W: Excuse me, sir.

M: Yes, what can I 1______ for you, madam?

W: It's 12 o'clock. I have been here 2______ an hour to meet my father. But I saw all the passagers

     come out except 3______.

M: Are you sure of the 4______ his flight arrives?

W: Yes, I think so. He told me he would reach the airport 5______about 1:00 this afternoon.

M: That's true. Flight BA506 has just 6______.

W: What? BA506? Well, I don't think it's 7______ flight number.

M: Do you 8______ his flight number?

W: It's VA407. I think … Oh, a minute, please. Here. I wrote 9______on my notebook. Sorry, it's VA408.

M: VA408? I see, madam the flight was to arrive at 1:00, but it will be two hours and twenty minutes late

     because of the bad weather in New York.

W: OK. Then I will 10______ to wait longer. Thank you very much, sir.

M: Good luck! Madam.

查看答案
题型:单项选择题

四、定义判断

每道题中都给出了一个概念的定义,请你根据这个定义,从四个备选的事物或行为中选出一个最为符合或最不符合该定义的典型事物,或行为。注意:在这项测验中,本定义被假定为正确的、不容置疑的。

白亮污染:是一类光污染,指过度光亮给人的视觉造成的不良影响。如光洁的金属表面城市里建筑物的玻璃幕墙、釉面砖墙、磨光大理石以及各种涂料等装饰反射光线,明晃白亮、眩眼夺目,使人头昏眼花,心烦意乱,食欲下降,情绪低落等身体不适。 下列表述不属于白亮污染的一项是( )

A.夏天,玻璃幕墙强烈的反光进入附近居民楼房内,增加了室内亮度,影响正常的生活

B.烈日下驾车行驶的司机会出其不意地遭到玻璃幕墙反射光的突然袭击,眼睛受到强烈刺激,很容易诱发车祸

C.夜幕降临后,商场、酒店上的广告灯、霓虹灯闪烁夺目,令人眼花缭乱

D.在一些旅游景点,许多人拍照留影,不停闪烁的闪光灯让其他游客心烦意乱

查看答案
微信公众账号搜索答案